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Anthropic Files Public S-1, Plans Nasdaq Listing Under "ANT"

The Claude maker's filing sets up a Class A stock offering on the Nasdaq Global Select Market, with pricing still blank and a reported mid-November target.

DailyMech Staff

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Anthropic Files Public S-1, Plans Nasdaq Listing Under "ANT"
Photo: NASA/Emma Howells — Public domain

Anthropic has moved from confidential preparation to a public listing plan. The company, the maker of Claude, filed a Form S-1 registration statement with the Securities and Exchange Commission on Monday, Oct. 26, 2026, covering a proposed initial public offering of its Class A common stock. It plans to list on the Nasdaq Global Select Market under the ticker ANT.

The public filing follows a confidential draft that Anthropic submitted on June 1, putting it ahead of rival OpenAI in the race to go public. That step came days after a funding round that valued Anthropic at $965 billion. The company said in May that its annualized revenue run rate had topped $47 billion.

What the numbers show

The S-1 gives the first audited look at the business. Revenue for the six months ended June 30, 2026, was $16.29 billion, up from $1.16 billion a year earlier. Anthropic reported a net loss of $80.7 billion for the period, but said about $72 billion of that came from accounting charges tied to changes in the value of convertible notes as its valuation rose.

Consumption-based revenue made up $13.1 billion, or 80% of total revenue, in the first half, with subscriptions accounting for the remaining $3.2 billion.

Compute is the company's biggest commitment. Anthropic disclosed a roughly $417 billion compute agreement with various providers, signed Dec. 31, 2025, covering data centers, the equipment inside them and cloud services. It has also ordered more capacity for delivery between 2028 and 2031, with pricing not yet final, which it expects to add $125 billion to $150 billion. The filing includes more than 90 pages of risk factors, many focused on compute supply and AI safety.

What is still missing

Several key terms are blank. The S-1 does not set a price range or say how many shares will be offered; Anthropic will add both in an amended filing. Until the registration becomes effective, no shares can be sold.

Timing is not official either. Anthropic has not announced a first trading date, but the Wall Street Journal and Reuters report that it is aiming to debut the week of Nov. 16. Treat that as a target, not a commitment.

Governance

Investors will also watch the company's structure. Anthropic is a Delaware public benefit corporation, which means it must balance shareholders' financial interests with its stated public benefit: the responsible development of advanced AI for the long-term benefit of humanity. Its Long-Term Benefit Trust elects a majority of the board, and a special share class held by the co-founders will carry 50.1% of the voting power on most stockholder matters. Together, those features limit how much influence public shareholders will have.

For now, the filing answers the basic questions of exchange and ticker. The price, share count and final date remain open.

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